Re: Swaping CPU's Celeron/P4
- From: "Bob Knowlden" <nkbob@xxxxxxxxxxx>
- Date: Thu, 9 Jun 2005 21:26:39 -0400
Is 2.4A an official Intel P4 model designation? The 2.4B is 533 MHz
Northwood. (The 2.4C is the 800 MHz model, which supports hyperthreading.)
I'm not familiar with Prescott and newer processors.
I wonder if a P4 2.4B is an upgrade over a 2.8 GHz Celeron D? I don't know,
but I wouldn't bet that it is.
If memory serves, in the 533 MHz FSB Northwood CPUs, the 3.06 GHz chip was
the only one in which hyperthreading was enabled. It's not a question of the
PC's chipset supporting hyperthreading; it wasn't available with slower
CPUs. There are slower CPUs that support hyperthreading, but I think that
they are all for the 800 MHz FSB, which isn't officially supported by 845
chipsets.
Does eMachines make BIOS updates available for download? I looked at a few
models on their web page, and no BIOS updates were in sight.
My guess is that the OS is somehow fouled up; a PC of that vintage ought to
feel fast in most applications. (Possible exceptions: video authoring, high
end games, etc. Not the sort of things most people would buy an eMachines
system for.)
If it's not messed up, how much RAM is installed? XP is supposed to be OK
with 256 MB, but better with 512 MB or more. (A symptom of too little ram
would be excessive hard disk access.) If the hard disk is a slow model (5400
RPM or slower rather than 7200), a replacement might be a little faster.
I doubt that you'd need to repair your XP installation with a new CPU.
Installing a newer version of the Intel chipset drivers might help
If you post your eMachines model, perhaps you could get specific advice. It
is sometimes possible to perform a swap that's way outside what is supported
by the manufacture: for example, I once sold a 700 MHz Slot 1 PIII to a chap
who got it to run in Dell that only officially supported up to a PIII 450.
(I vaguely recall that flashing an Intel board's BIOS over the DELL one may
have been required. That would not be recommended for the tyro.)
If it isn't clear from what I've written above, I think that upgrading the
CPU would probably lead to disappointment.
Good luck.
Address scrambled. Replace nkbob with bobkn.
"Magicky" <Magicky@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:3936724D-55C5-4333-8346-7B1B00D9AD06@xxxxxxxxxxxxxxxx
> Seems like in the old days (486 and such) if you swaped processors and
> left
> everything else the same you wind up having to re-install and reconfiguer
> (man, doing that stuff before PNP was loads of fun). I haven't had to face
> that for quite sometime but now my wifes "new" eMachine is too slow for
> her
> and she wants a faster processor. She now has a 2.8 GHz CeleronD with 533
> FSB, on an 478 mPGA socket running @ 1.25 - 1.4 volts, with 256 L2 cache
> using the 845 chip set and PC 2700 RAM. All my (quite considerable)
> research
> at Intels' site says that the 2.4A P4 with the same FSB, voltage, and and
> mPGA 478 socket should wok with this MOBO. So, questions to the Gurus;
> 1) Would I have to flash the BIOS? Intel doesn't say (of course) and
> eMachines won't answer the question.
> 2)Intel says that the Hyperthreading won't work for this chip set with
> anythhing less than a 3.06 GHz porcessor, but eMachines says that it will!
> (Ain't this fun?)
> 3) Any idea if the OEM Windows will take a hit from doing this? And if so,
> would I be able to recover with Restore or Rapir (I've read a bunch a
> posts
> in here and can't see if that is a problem or not, opinons seem mixed)
> Anybody ever do anyything like this? Thanks for your time.
> Magicky
.
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